Faced with the combined forces of simian menaces like Gorilla Grodd, the Ultra-Humanite and Monsieur Mallah, Scooby and the gang team up with DC's greatest ape heroes: Congorilla, Sam Simeon and Detective Chimp! But when things take a turn for the monstrous, can even our heroes save the city from the king-sized carnage of...Titano the Super-Ape?